The USACE Seattle District is seeking a contractor for maintenance dredging of the Duwamish Waterway federal navigation channel in Seattle, WA, with an estimated construction value between $1,000,000 and $5,000,000. The work involves removing up to 100,000 cubic yards of sediment using a clamshell dredge, with disposal at the DMMP Elliot Bay Open Water Disposal Site. Dredging must occur within the allowable window of December 1, 2026, through February 15, 2027. The contract will be firm-fixed-price and is a 100% small business set-aside. Performance will take place in Seattle, Washington.